| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-01-01 | 阴 | 32°/18° | 0.0 mm |
| 2026-01-02 | 阴 | 31°/17° | 0.0 mm |
| 2026-01-03 | 阴 | 30°/17° | 0.0 mm |
| 2026-01-04 | 阴 | 30°/17° | 0.0 mm |
| 2026-01-05 | 阴 | 31°/18° | 0.0 mm |
| 2026-01-06 | 阴 | 31°/18° | 0.0 mm |
| 2026-01-07 | 阴 | 29°/17° | 0.0 mm |
| 2026-01-08 | 阴 | 28°/15° | 0.0 mm |
| 2026-01-09 | 阴 | 27°/13° | 0.0 mm |
| 2026-01-10 | 阴 | 28°/12° | 0.0 mm |
| 2026-01-11 | 阴 | 29°/14° | 0.0 mm |
| 2026-01-12 | 阴 | 30°/15° | 0.0 mm |
| 2026-01-13 | 阴 | 31°/17° | 0.0 mm |
| 2026-01-14 | 阴 | 32°/18° | 0.0 mm |
| 2026-01-15 | 多云 | 34°/20° | 0.0 mm |
| 2026-01-16 | 阴 | 33°/21° | 0.0 mm |
| 2026-01-17 | 阴 | 34°/22° | 0.0 mm |
| 2026-01-18 | 阴 | 36°/22° | 0.0 mm |
| 2026-01-19 | 阴 | 34°/22° | 0.0 mm |
| 2026-01-20 | 多云 | 35°/21° | 0.0 mm |
| 2026-01-21 | 阴 | 34°/20° | 0.0 mm |
| 2026-01-22 | 阴 | 33°/19° | 0.0 mm |
| 2026-01-23 | 阴 | 32°/17° | 0.0 mm |
| 2026-01-24 | 阴 | 33°/18° | 0.0 mm |
| 2026-01-25 | 阴 | 32°/19° | 0.0 mm |
| 2026-01-26 | 阴 | 34°/19° | 0.0 mm |
| 2026-01-27 | 阴 | 34°/19° | 0.0 mm |
| 2026-01-28 | 阴 | 33°/19° | 0.0 mm |
| 2026-01-29 | 阴 | 34°/20° | 0.0 mm |
| 2026-01-30 | 阴 | 34°/21° | 0.0 mm |
| 2026-01-31 | 阴 | 35°/22° | 0.0 mm |
2026年01月成田共记录 31 天，平均最高 32℃、最低 18℃，降水日 0 天。